Hypogeum Of Hal Saflieni

Hypogeum Of Hal Saflieni: The underground temple with its mysteries of sound

Often claimed as being the world's only known prehistoric underground temple, the branching subterranean complex of Hypogeum of Hal Saflieni in Paola, Malta, is more than 5,000 years old (which makes it older than the Great Pyramid at Giza). Discovered quite unintentionally in 1902, by workers who were digging for a building site, the expanse…